Dr. Chang Pei-Chen specializes in child and adolescent psychiatry and nutritional medicine, with a particular focus on omega-3 fatty acids in the treatment of ADHD and depression in children and adolescents. Dr. Chang is currently a visiting scholar at King’s College London and leads several multinational research projects, supported by long-term funding from the National Science Council. Her expertise includes attention deficit hyperactivity disorder (ADHD), eating disorders, autism, and depression in children and adolescents. Dr. Chang's clinical and research achievements have been recognized both domestically and internationally.